4730-00-497-1655 TEE,PIPE TO TUBE Index 4730-00-497-1657 TEE,TUBE TO BOSS

National Stock Number:
4820-00-497-1656

Federal Supply Class:
4820

National Item Identification Number:
004971656

Description:
VALVE,CHECK

Detail:
A valve permitting flow in one direction only. It does not have a stem, except when equipped with a lever and weight and has no pressure adjustment. It may be inline or cartridge (manifold) design.


Manufacturer Information:
262T-4TT-.291816CIRCOR AEROSPACE, INC.
580R923H0297942NORTHROP GRUMMAN SYSTEMS CORPORATION


Techincal Specification:
CONNECTION TYPETHREADED EXTERNAL TUBE ALL ENDS
CONNECTION STYLEFLARED (TUBE) ALL ENDS
DISK LOADING METHODSPRING
FLOW CONTROL DEVICEPOPPET
MATERIAL DOCUMENT AND CLASSIFICATION66 FED STD SINGLE MATERIAL RESPONSE OVERALL
MATERIALSTEEL COMP 303 OVERALL
MAXIMUM OPERATING TEMP106.0 FAHRENHEIT SINGLE RESPONSE
MAXIMUM OPERATING PRESSURE3000.0 POUNDS PER SQUARE INCH SINGLE RESPONSE
MEDIA FOR WHICH DESIGNEDAIR 1ST RESPONSE
MEDIA FOR WHICH DESIGNEDSTEAM 2ND RESPONSE
MEDIA FOR WHICH DESIGNEDWATER, FRESH 3RD RESPONSE
MOUNTING POSITIONHORIZONTAL OR VERTICAL
NOMINAL OUTSIDE DIAMETER TUBE ACCOMMODATED0.250 INCHES 2ND END
NOMINAL OUTSIDE DIAMETER TUBE ACCOMMODATED0.250 INCHES 1ST END
NOMINAL THREAD SIZE0.438 INCHES ALL ENDS
SEAT ANGLE37.0 DEGREES ALL ENDS
STYLE DESIGNATORSTRAIGHT THRU
SURFACE TREATMENTPASSIVATE
THREAD CLASS3A ALL ENDS
THREAD DIRECTIONRIGHT-HAND ALL ENDS
THREAD SERIES DESIGNATORUNF ALL ENDS
VALVE OPERATION METHODAUTOMATIC


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